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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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package org.apache.doris.nereids.trees.expressions.typecoercion;

import java.util.Optional;

/**
 * Save type check result.
 */
public class TypeCheckResult {

    public static TypeCheckResult SUCCESS = new TypeCheckResult(true, null);

    final boolean success;

    final Optional<String> message;

    public TypeCheckResult(boolean success, String message) {
        this.success = success;
        this.message = Optional.ofNullable(message);
    }

    public boolean success() {
        return success;
    }

    public boolean failed() {
        return !success;
    }

    public String getMessage() {
        return message.orElseGet(String::new);
    }
}
